white spruce

1 :  any of several spruces; especially :  a widely distributed spruce (Picea glauca) of coniferous forests of Canada and the northern U.S. that has short stiff blue-green needles and slender cones — see cone illustration

2 :  the wood of a white spruce; especially :  the light pale tough straight-grained wood of the common white spruce (Picea glauca) used especially for construction and as a source of paper pulp